Home / 298,070.24-447,143.90-108,501.62

Finding the Fourth Proportional to 298,070.24, 447,143.90 and 108,501.62

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Solution

The fourth proportional to 298,070.24, 447,143.90 and 108,501.62 is: 162,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,070.24 : 447,143.90 = 108,501.62 : x
  2. Step 2: Convert to fraction form
    298,070.24/447,143.90 = 108,501.62/x
  3. Step 3: Cross multiply
    298,070.24x = 447,143.90 × 108,501.62
  4. Step 4: Simplify right side
    298,070.24x = 48,515,834,744.89
  5. Step 5: Solve for x
    x = 48,515,834,744.89/298,070.24
  6. Step 6: Final answer
    x = 162,766.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.